//
// Find all the java.sql interfaces implemented by a class and find
// the methods in those interfaces which raise
// SQLFeatureNotSupportedException when called on the passed-in candidate object.
//
private void vetInterfaces(
Object candidate,
Class myClass,
HashSet<String> unsupportedList,
HashSet<String> notUnderstoodList)
throws Exception {
Class superClass = myClass.getSuperclass();
if (superClass != null) {
vetInterfaces(candidate, superClass, unsupportedList, notUnderstoodList);
}
//
// The contract for Class.getInterfaces() states that the interfaces
// come back in a deterministic order, namely, in the order that
// they were declared in the "extends" clause.
//
Class<?>[] interfaces = myClass.getInterfaces();
int interfaceCount = interfaces.length;
for (int i = 0; i < interfaceCount; i++) {
Class<?> iface = interfaces[i];
if (iface.getPackage().getName().equals(SQL_PACKAGE_NAME)) {
vetInterfaceMethods(candidate, iface, unsupportedList, notUnderstoodList);
}
vetInterfaces(candidate, iface, unsupportedList, notUnderstoodList);
}
}
private void addClass(Class<?> c) {
if (classes.add(c)) {
if (c.getSuperclass() != null) {
addClass(c.getSuperclass());
}
for (Class<?> sc : c.getInterfaces()) {
addClass(sc);
}
for (Class<?> dc : c.getDeclaredClasses()) {
addClass(dc);
}
for (Method m : c.getDeclaredMethods()) {
addClass(m.getReturnType());
for (Class<?> p : m.getParameterTypes()) {
addClass(p);
}
}
if (c != void.class && dimensions(c) < 2) {
Class<?> arrayClass = Array.newInstance(c, 0).getClass();
arrayClasses.put(c, arrayClass);
addClass(arrayClass);
}
}
}
@TestMethod("testAccepts")
public boolean accepts(Class classObject) {
Class[] interfaces = classObject.getInterfaces();
for (int i = 0; i < interfaces.length; i++) {
if (IChemFile.class.equals(interfaces[i])) return true;
}
Class superClass = classObject.getSuperclass();
if (superClass != null) return this.accepts(superClass);
return false;
}
static Method[] getOverridableMethods(Class<?> clazz) {
ArrayList<Method> list = new ArrayList<Method>();
HashSet<String> skip = new HashSet<String>();
// Check superclasses before interfaces so we always choose
// implemented methods over abstract ones, even if a subclass
// re-implements an interface already implemented in a superclass
// (e.g. java.util.ArrayList)
for (Class<?> c = clazz; c != null; c = c.getSuperclass()) {
appendOverridableMethods(c, list, skip);
}
for (Class<?> c = clazz; c != null; c = c.getSuperclass()) {
for (Class<?> intf : c.getInterfaces()) appendOverridableMethods(intf, list, skip);
}
return list.toArray(new Method[list.size()]);
}
/**
* Get all superInterfaces that extend VersionedProtocol
*
* @param childInterfaces
* @return the super interfaces that extend VersionedProtocol
*/
static Class<?>[] getSuperInterfaces(Class<?>[] childInterfaces) {
List<Class<?>> allInterfaces = new ArrayList<Class<?>>();
for (Class<?> childInterface : childInterfaces) {
if (VersionedProtocol.class.isAssignableFrom(childInterface)) {
allInterfaces.add(childInterface);
allInterfaces.addAll(Arrays.asList(getSuperInterfaces(childInterface.getInterfaces())));
} else {
LOG.warn(
"Interface "
+ childInterface
+ " ignored because it does not extend VersionedProtocol");
}
}
return allInterfaces.toArray(new Class[allInterfaces.size()]);
}
// Needed by NativeJavaObject serializer
public static void writeAdapterObject(Object javaObject, ObjectOutputStream out)
throws IOException {
Class<?> cl = javaObject.getClass();
out.writeObject(cl.getSuperclass().getName());
Class<?>[] interfaces = cl.getInterfaces();
String[] interfaceNames = new String[interfaces.length];
for (int i = 0; i < interfaces.length; i++) interfaceNames[i] = interfaces[i].getName();
out.writeObject(interfaceNames);
try {
Object delegee = cl.getField("delegee").get(javaObject);
out.writeObject(delegee);
return;
} catch (IllegalAccessException e) {
} catch (NoSuchFieldException e) {
}
throw new IOException();
}
/**
* Get all interfaces that the given protocol implements or extends which are assignable from
* VersionedProtocol.
*/
static Class<?>[] getProtocolInterfaces(Class<?> protocol) {
Class<?>[] interfaces = protocol.getInterfaces();
return getSuperInterfaces(interfaces);
}